Allows user to specify style id for Tables

Allows user to specify the style Id which will be added in the form of:
<w:tblStyle w:val="TableGrid"/>

As specified in table Structure in http://officeopenxml.com/WPtable.php

src/file/table/table.ts

@@ -32,6 +32,7 @@ export interface ITableOptions {
     };
     readonly float?: ITableFloatOptions;
     readonly layout?: TableLayoutType;
+    readonly style?: string;
 }
 
 export class Table extends XmlComponent {
@@ -44,6 +45,7 @@ export class Table extends XmlComponent {
         margins: { marginUnitType, top, bottom, right, left } = { marginUnitType: WidthType.AUTO, top: 0, bottom: 0, right: 0, left: 0 },
         float,
         layout,
+        style,
     }: ITableOptions) {
         super("w:tbl");
         this.properties = new TableProperties();
@@ -96,5 +98,9 @@ export class Table extends XmlComponent {
         if (layout) {
             this.properties.setLayout(layout);
         }
+
+        if (style) {
+            this.properties.setStyle(style);
+        }
     }
 }